HT201295: Reset the System Management Controller (SMC) on your Mac

Learn about Reset the System Management Controller (SMC) on your Mac
pj-c

Q: My speakers on my MBPR are suddenly muffled.  How do I resolve that?

The speakers on my MBPR are suddenly really muffled.  How do I resolve this? 

MacBook Pro with Retina display, OS X El Capitan (10.11.5)

Posted on Oct 22, 2016 12:47 PM